مدفع كتل هزيم الرعد

Apply the following effect, then you can attach this card to a Rank 4 Xyz Monster you control.
● For the rest of this turn, all "Ryzeal" monsters you control gain 1000 ATK.
If this card is sent to the GY, except from the field: You can target 1 card in your opponent's GY; banish it. You can only use each effect of "Ryzeal Mass Driver" once per turn.